Process for producing a new effective preparation of mercury.



UNITED STATES PATENT OFFICE.

EMIQSCHEITLIN, OF B ASEL, SWITZERLAND.

PROCESS FOR PRODUCING A NEW EFFECTIVE PREPARATION OF MERCURY.

1 ,068, 1 72.. No Drawing.

To all whom it may concern:

Be it known that I, EMIL SCHEITLIN, a citizen of the Swiss Confederation, and residing at Basel, Switzerland, have invented certain, new and useful Improvements in Processes for Producing a New Effective Preparation of Mercury, of which the following is a specification.

My invention relates to a process of manufacturing a new preparation of mercury.

I have found: If l-phenyl-23-dimethyl-4- sulfamino-5-pyrazolone is allowed to act on mercuric oxid a new compound is obtained containing organic matter, sulfur and mercury. The percentage of mercury amounts The following formulae may come into consideration GHaN'. CO.

some N/ cmo ,c

CGIHA N cH,N co

som 'cH c-N bu -0H fundamentally from t e" process described in the Gimme UentraZblatt ,1908 II, page 1037/38, and

from the products described there.

Thebody obtained is white, crystalline and fairly insensitive to light. It is soluble with difliculty in water and other solvents, and as ood as insoluble after being dried. It disso ves fairly readilyin concentrated sulfuric acid and apparently without dec0m-.

Specifliidtion of Letters'latent.

Application filed December 9, 1912. Serial No. 735,766.

' methyl-4-sulfamino-5-pyrazol0ne PatentedJuly22, 1913.

posing, but when heated it decomposes, caron being separated.

If the body is treated with dilute aqueous alkalis, a part of the mercury is precipitated as protoxld, while a body. containing 24% mercury is dissolved Assuming that, when the SO H group is unsaturated by soda, 2 molecules unite,

Water being separated and half the mercury being separated as protoxid, theory requires 24% Hg for such a body which is confirmed by analysis. The mercury of this body can sulfureted hydrogen.

Example: 300 g. pure 1-phenyl-2.3-didissolved in abt. 10 liters water are added to mercuric oxid" dissolved by alkali out of 270 g. sublimate. This is heatedon the water bath until the yellow color of the mercuric oxid has disappeared and also the same has for the most part dissolved. The solution is then sucked away hot from the undissolved mat- 'ter and rapidly cooled; the crystalline precipitate is separated from the mother lye, the roduct washed well and dried at abt. G00 It has been found that the body, while very slightly pOlSOIlOllS, possesses an excellent spirillicide action, and that the medicinal dose and toxic dose are very different.

The body is therefore excellently adapted for treating syphillis. Formula II is very probably correct. Ac-

1; A process of producing a new prepara tion of mercury, which comprises causing mercuric oxid and 1-phenyl-2.3-dimethyl-4- sulfamino-5-pyrazolone to act on one another.

2. A 1 phenyl 2.3-dimethyli-sulfamino-z'ipyrazolone mercury compound, which is a white crystalline poisonous substance soluble in water with difliculty, readily soluble in be precipitated by ammonium sulfid or by concentrated sulfuric acid, is decomposed by heat with liberation of carbon and from which the mercury can be precipitated by ammonium sulfi'd andsulfureted hydrogen.

In testimony whereof I afiix my signature. in presence of two witnesses.

- EMIL SCI'HEITLIN.

Witnesses: v p

G130. GIFFORD, ARNOLD. Zones.- 

